import axios from "axios";

const service = axios.create({
    responseType:'arraybuffer'
})
service.interceptors.request.use(config=>{
    config.headers['Authorization']= window.sessionStorage.getItem('tokenStr');
    return config
},error => {
    console.log(error);
})

service.interceptors.response.use(resp=>{
    const headers = resp.headers;
    let reg =  RegExp(/application\/json/);
    if(headers['content-type'].match(reg)){
       resp.data =  unitToString(resp.data);
    }else {
        let fileDownload = require('js-file-download')
        let fileName = headers['content-disposition'].split(';')[1].split('filename=')[1];
        let contentType =headers['content-type'];
        fileName = decodeURIComponent(fileName);
        fileDownload(resp.data,fileName,contentType);

    }
},error => {
    console.log(error);
})

function unitToString(unitArray){
    let encodedString = String.fromCharCode().apply(null,new Uint8Array(unitArray));
    let decodedString = decodeURIComponent(escape(encodedString));
    return JSON.parse(decodedString);
}

let base = '';
export const downloadRequest=(url,params)=>{
    return service({
        method:'get',
        url:`${base}${url}`,
        data:params
    })
}
export default service;